967  Leg-Stamp
닭다리 개다리 2

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There are 180 heads of Chickens and Dogs together. Altogether there are 460 legs. How many chickens are there?



There are 160 heads of Chickens and Dogs together. Altogether there are 440 legs. How many chickens are there?



우리 안에 총 210 마리의 닭과 개가 있다. 다리를 세어보니, 총합쳐서 620 다리가 있다. 몇마리의 닭이 우리 안에 있는가?



There are 220 heads of Chickens and Dogs together. Altogether there are 620 legs. How many chickens are there?



There are 120 heads of Chickens and Dogs together. Altogether there are 340 legs. How many chickens are there?

There are 170 stamps which are 8-cent stamps and 9-cent stamps. Altogether they cost 1440 cents. How many 8-cent stamps are there?



There are 180 stamps which are 7-cent stamps and 6-cent stamps. Altogether they cost 1190 cents. How many 7-cent stamps are there?



오늘 8원짜리 3원짜리 우표 총 140장을 사고, 770 원을 지불 했을때, 몇개의 8원짜리 우표를 샀는가?



There are 210 stamps which are 5-cent stamps and 6-cent stamps. Altogether they cost 1180 cents. How many 5-cent stamps are there?



There are 230 stamps which are 8-cent stamps and 9-cent stamps. Altogether they cost 1960 cents. How many 8-cent stamps are there?

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